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// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT

use gio_sys;
use glib::object::Cast;
use glib::object::IsA;
use glib::translate::*;
use glib::StaticType;
use glib::ToValue;
use std::fmt;
use Converter;
use FilterInputStream;
use InputStream;
use PollableInputStream;

glib_wrapper! {
    /// Converter input stream implements `InputStream` and allows
    /// conversion of data of various types during reading.
    ///
    /// As of GLib 2.34, `ConverterInputStream` implements
    /// `PollableInputStream`.
    ///
    /// # Implements
    ///
    /// [`ConverterInputStreamExt`](trait.ConverterInputStreamExt.html), [`FilterInputStreamExt`](trait.FilterInputStreamExt.html), [`InputStreamExt`](trait.InputStreamExt.html), [`glib::object::ObjectExt`](../glib/object/trait.ObjectExt.html), [`PollableInputStreamExt`](trait.PollableInputStreamExt.html), [`InputStreamExtManual`](prelude/trait.InputStreamExtManual.html), [`PollableInputStreamExtManual`](prelude/trait.PollableInputStreamExtManual.html)
    pub struct ConverterInputStream(Object<gio_sys::GConverterInputStream, gio_sys::GConverterInputStreamClass, ConverterInputStreamClass>) @extends FilterInputStream, InputStream, @implements PollableInputStream;

    match fn {
        get_type => || gio_sys::g_converter_input_stream_get_type(),
    }
}

impl ConverterInputStream {
    /// Creates a new converter input stream for the `base_stream`.
    /// ## `base_stream`
    /// a `InputStream`
    /// ## `converter`
    /// a `Converter`
    ///
    /// # Returns
    ///
    /// a new `InputStream`.
    pub fn new<P: IsA<InputStream>, Q: IsA<Converter>>(
        base_stream: &P,
        converter: &Q,
    ) -> ConverterInputStream {
        unsafe {
            InputStream::from_glib_full(gio_sys::g_converter_input_stream_new(
                base_stream.as_ref().to_glib_none().0,
                converter.as_ref().to_glib_none().0,
            ))
            .unsafe_cast()
        }
    }
}

#[derive(Clone, Default)]
pub struct ConverterInputStreamBuilder {
    converter: Option<Converter>,
    base_stream: Option<InputStream>,
    close_base_stream: Option<bool>,
}

impl ConverterInputStreamBuilder {
    pub fn new() -> Self {
        Self::default()
    }

    pub fn build(self) -> ConverterInputStream {
        let mut properties: Vec<(&str, &dyn ToValue)> = vec![];
        if let Some(ref converter) = self.converter {
            properties.push(("converter", converter));
        }
        if let Some(ref base_stream) = self.base_stream {
            properties.push(("base-stream", base_stream));
        }
        if let Some(ref close_base_stream) = self.close_base_stream {
            properties.push(("close-base-stream", close_base_stream));
        }
        glib::Object::new(ConverterInputStream::static_type(), &properties)
            .expect("object new")
            .downcast()
            .expect("downcast")
    }

    pub fn converter<P: IsA<Converter>>(mut self, converter: &P) -> Self {
        self.converter = Some(converter.clone().upcast());
        self
    }

    pub fn base_stream<P: IsA<InputStream>>(mut self, base_stream: &P) -> Self {
        self.base_stream = Some(base_stream.clone().upcast());
        self
    }

    pub fn close_base_stream(mut self, close_base_stream: bool) -> Self {
        self.close_base_stream = Some(close_base_stream);
        self
    }
}

pub const NONE_CONVERTER_INPUT_STREAM: Option<&ConverterInputStream> = None;

/// Trait containing all `ConverterInputStream` methods.
///
/// # Implementors
///
/// [`ConverterInputStream`](struct.ConverterInputStream.html)
pub trait ConverterInputStreamExt: 'static {
    /// Gets the `Converter` that is used by `self`.
    ///
    /// # Returns
    ///
    /// the converter of the converter input stream
    fn get_converter(&self) -> Option<Converter>;
}

impl<O: IsA<ConverterInputStream>> ConverterInputStreamExt for O {
    fn get_converter(&self) -> Option<Converter> {
        unsafe {
            from_glib_none(gio_sys::g_converter_input_stream_get_converter(
                self.as_ref().to_glib_none().0,
            ))
        }
    }
}

impl fmt::Display for ConverterInputStream {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "ConverterInputStream")
    }
}